Amazon.com: 3 USB 3.0 Ports and 1 USB 2.0 Port PCI Express (PCIe) Expansion Card (2 USB Type-A and 2 USB Type-C Ports), Desktop PC Host Card Support Windows 10/8/7/XP and MAC
AMD Radeon RX 6400 Tested on PCI-Express 3.0 | TechPowerUp
PCIe 4.0 vs PCIe 3.0 vs PCIe 2.0 vs PCIe 1.0 / PCI Express GENERATION COMPARISON Technical Specs - YouTube